Project Snapshot
Industry: Construction Materials / Sand Processing
Application: Sand Washing, Slurry Clarification & Water Reuse
Region: Asia
Year: 2022
Products Supplied:
Cationic Polyacrylamide (CPAM)
Anionic Polyacrylamide (APAM)
Polyaluminum Chloride (PAC)
Glucose (Industrial Grade)
Total Supply Volume: Multiple chemical products (see details below)
Client Background
The client operates a construction materials facility specializing in washed sand production. The washing process produces a complex wastewater stream containing fine mineral particles and variable suspended solids concentration. Efficient clarification and water recycling were critical to maintaining stable production and reducing fresh water consumption.
Challenge
The client faced several operational challenges during sand washing:
High turbidity caused by fine suspended particles
Inconsistent settling performance when using a single flocculant
Difficulty achieving stable clarification under changing load conditions
Need for improved sludge aggregation and sedimentation
A single-product solution could not meet all treatment requirements, making a combined chemical approach necessary.
Solution Provided
After reviewing the process conditions, we supplied an integrated water treatment solution combining coagulation, flocculation, and conditioning agents:
Products & Specifications
Cationic Polyacrylamide (CPAM)
Ionic degree: 60
Quantity: 2 MT
Anionic Polyacrylamide (APAM)
Molecular weight: approx. 12 million
Quantity: 3 MT
Polyaluminum Chloride (PAC)
Concentration: 28%
Quantity: 10 MT
Glucose (Industrial Grade)
Purity: ≥ 90%
Quantity: 4 MT
Each product played a specific role in optimizing the clarification and sedimentation process.
Implementation & Technical Support
PAC was used as the primary coagulant to destabilize suspended particles
APAM enhanced floc formation and sedimentation of fine sand
CPAM supported sludge conditioning and aggregation
Glucose was applied as a conditioning agent to improve process stability
Our technical team provided remote dosing guidance and optimization support, ensuring smooth integration into the existing sand washing system.
Results Achieved
Following implementation, the client observed:
Faster and more stable sedimentation
Improved clarity of recycled process water
Reduced fresh water consumption
Enhanced sludge handling efficiency
Consistent performance under variable operating conditions
The integrated solution enabled long-term stable operation and effective water reuse.
Why This Integrated Solution Worked
Proper combination of coagulation and flocculation mechanisms
Product specifications matched specific process requirements
Flexible dosing strategy adapted to load fluctuations
Application-oriented technical support
Products Involved
Cationic Polyacrylamide (CPAM)
Anionic Polyacrylamide (APAM)
Polyaluminum Chloride (PAC)
Glucose (Industrial Grade)
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